What powers kumayama.com?
Last seen Jun 2026 · 19 technologies across 10 categories
Advertising
Criteo
since Sep 2020
Google Publisher Tag
since Feb 2021
ID5
since Mar 2025
OpenX
since Nov 2024
PubMatic
since Jul 2021
Rubicon Project
since Feb 2024
Affiliate programs
Amazon Associates
since May 2026
Analytics
CDN
Cloudflare
since Feb 2024
JavaScript libraries
Miscellaneous
Open Graph
since Sep 2022
Security
Cloudflare Bot Management
since Feb 2024
reCAPTCHA
since Apr 2022
Segmentation
Adobe Audience Manager
since Sep 2023
Tag managers
Google Tag Manager
since Mar 2019
Web servers
Nginx
since Sep 2020
Audience
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
1.62 / 10 · ranked #5,523,295 of all domains
16 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.6 s |
| CLS | 0.2 |
| TTFB | 700 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Japanese
- Weight: 2.3 MB · 774 requests
- Structured data: OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Full technology history →
Report an incorrect detection
Recent changes
- detected Cloudflare Jun 2026
- detected Cloudflare Bot Management Jun 2026
- detected Amazon Associates May 2026
- dropped Amazon Advertising Apr 2026
- dropped Microsoft ASP.NET Apr 2026
- dropped Prebid Apr 2026
- detected core-js Mar 2026
- detected Criteo Mar 2026
- detected Rubicon Project Mar 2026
- dropped Criteo Dec 2025
- dropped Rubicon Project Dec 2025
- detected Microsoft ASP.NET Oct 2025
- detected OpenX Oct 2025
- dropped Microsoft ASP.NET Sep 2025
- dropped OpenX Sep 2025